The national conference on 'issues related to unknown chronic kidney disease (CKDU)' commemorating World Water Day and the 50th anniversary of Water Resources Board (WRB) were held at BMICH, Colombo 07 on 21st March, 2016. Hon. Gamini Vijith Wijayamuni Soyza - Minister of Irrigation and Water Resources Management with the Ministry officials participated to this ceremony. 150 nos. of school children from several schools at Moneragala, Anuradhapura and Pollonnaruwa also were attended to this water conference. Several officers who retired from WRB also participated.